Tread for pneumatic tires



FIG. 1 is a perspective view of a tread for pneumatic tires incorporating my new design, it being understood that the tread pattern repeats circumferentially throughout the outer circumference;

FIG. 2 is an elevational view of one end of the tread for pneumatic tires shown in FIG. 1;

FIG. 3 is a fragmentary view of FIG. 2;

FIG. 4 is an elevational view of the opposite end of tread for pneumatic tires;

FIG. 5 is an elevational view of one side of the tread for pneumatic tires shown in FIG. 1; and,

FIG. 6 is an elevational view of the opposite side of the tread for pneumatic tires.

The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a tread for pneumatic tires, as shown and described. 